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When catching a baseball, a catcher's glove moves by 9 cm along the line of motion of the ball. If thebaseball exerts a force of 468 N onthe glove, how much work is done by the ball? J
after flying for 15 min in a wind blowing 42 kmh at an angle of 24deg south of east an airplane pilot is over a town
a 9.00 g bullet moving horizontally with an initial speed v embeds itself in a 1.20 kg pendulum bob that is initially
A basketball is thrown horizontally with an initial speed of 4.90 m/s. A straight line drawn from the release point to the landing point makes an angle ? = 27.0° with the horizontal. What was the release height
1. a cell membrane has a surface area of 1.00 x 10-7 m2 a dielectric constant of 6.01 and a thickness of 7.76 nm. the
A device known as Atwood\'s machine consists of two masses hanging from the ends of a vertical rope that passes over a pulley. Assume the rope and pulley are massless and there is no friction in the pulley.
Transverse waves with a speed of 44.5 m/s are to be produced on a stretched string. A 6.00 m length of string with a total mass of 0.0600 kg is used. What is the required tension in the string
One of the strings on a violin has a tension of 70 N and a linear mass density of 6 g/s. Find the speed of transverse waves on this string
In soccer, a speed record was set for kicking a soccer ball at 43m/s. If the soccer player kicked the ball from ground level at an angle of 30° from the horizontal, what would be the flight time of the soccer ball? Assume that air resistance is ne..
An arrow, starting from rest, leaves the bow with a speed of 26.6 m/s. If the average force exerted on the arrow by the bow were tripled, with what speed would the arrow leave the bow
a bicyclist is traveling at a speed of 20m/s as he approaches the bottom of a hill. He decides to coast up the hill and stops upon reaching the top. determine the vertical height of the hill
A person walks first at a constant speed of 4.90 m/s along a straight line from point A to B point and then back along the line from B to A at a constant speed of 3.30 m/s. What is her average velocity over the entire trip
A 12uF capacitor a 10Kohms resistor a 20.0 volt battery and a switch are all connected in a series , find the voltage on the capacitor after three time constants
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